.selected { --background: linear-gradient(120deg, #1e1e1e -1%, var(--ion-color-danger) 100%); } .menu-style { border-style: solid; border-width: 0px 1px 0px 0px; border-color: var(--ion-color-danger); ion-item::part(native) { height: 56px; } } .selected-badge { background-color: #1e1e1e; } ion-split-pane { --side-max-width: 280px; }